Bottle brush



FIG. 1 is a front elevation view of a bottle brush showing our new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is an opposite side elevation view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines illustrate environmental features and form no part of the claimed design. 

CLAIM The ornamental design for a bottle brush, as shown and described. 